WO2016190502A1 - Appareil de mesure de forme - Google Patents

Appareil de mesure de forme Download PDF

Info

Publication number
WO2016190502A1
WO2016190502A1 PCT/KR2015/013127 KR2015013127W WO2016190502A1 WO 2016190502 A1 WO2016190502 A1 WO 2016190502A1 KR 2015013127 W KR2015013127 W KR 2015013127W WO 2016190502 A1 WO2016190502 A1 WO 2016190502A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
coupling plate
magnet
coupled
measuring arm
Prior art date
Application number
PCT/KR2015/013127
Other languages
English (en)
Korean (ko)
Inventor
황재은
Original Assignee
황재은
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 황재은 filed Critical 황재은
Publication of WO2016190502A1 publication Critical patent/WO2016190502A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
    • G01B5/008—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures

Definitions

  • the present invention relates to a shape measuring device, and more particularly, to a shape measuring device that the impact applied to the measuring arm is not transmitted to the measuring arm support.
  • a shape measuring device is a device that obtains shape information of a target object in the form of three-dimensional space by measuring the shape of an object quickly and accurately.
  • the shape measuring machine is used to evaluate the processing accuracy by comparing the shape measurement result of the processed product or part with the designed shape dimension, or is used for reverse engineering of a product without design data such as drawings.
  • the stylus presses the workpiece downward to move in contact, and the displacement sensor reads coordinates to measure the surface shape.
  • the conventional contact shape measuring device is formed integrally with the guide block to which the stylus is coupled, and when an external impact is applied to the stylus or the cantilever, there is a problem of being transmitted to the guide block and the displacement sensor coupled thereto. In this case, there was a problem of malfunction and damage to the product and inferior accuracy of measured data.
  • the measuring arm block 15 is coupled to the moving arm 13 movably coupled to the measuring arm support 11 by a magnet 15a.
  • the magnet (15a) is provided in the form of a protruding ball
  • the moving block 13 is formed with a coupling groove (13a) corresponding to the shape of the magnet (15a).
  • the conventional shape measuring device 10 has a bearing force for allowing the magnet 15a to be accommodated in the coupling groove 13a to merely determine a position, and to fix the measuring arm body 15 to the moving block 13. There was a disadvantage that could not be applied at all.
  • the measuring arm body 15 Since the magnet is used, the measuring arm body 15 is attached to and supported by the coupling groove 13a of the movable block 13. However, since the magnet 15a is formed in the shape of a protruding ball, the manufacturing cost increases. In addition, when repeatedly used for a long time, the magnet (15a) may be worn and shake may occur during measurement. This shaking results in inaccurate shape data for the object being measured.
  • the measuring arm block 15 is simply mounted on the movable block 13, and the magnet 15a is provided therebetween to determine the position, and thus, the front and rear directions, the left and the right.
  • the external force F1, F2, F3
  • the measuring arm block 15 is moved from side to side or vibrated.
  • An object of the present invention is to solve the above-described problem, while preventing the impact applied to the measuring arm from being transmitted to the measuring arm support, the measuring arm is stably coupled to the measuring arm for the shock within a predetermined range. It is to provide a shape measuring device to maintain.
  • Another object of the present invention is to provide a shape measuring instrument capable of stably maintaining a coupled state as well as positioning by a magnetic force acting between the measuring arm and the measuring arm support.
  • the object of the present invention can be achieved by a shape measuring device for measuring the shape of the object to be measured.
  • the shape measuring device of the present invention includes: a measuring arm portion having a stylus in contact with the object to be measured and an arm supporting the stylus such that the stylus is in contact with the object to be measured; And a measuring arm support for supporting the measuring arm so as to move along the external shape of the object to be measured, wherein the measuring arm supporting body has a front magnetic coupling plate, a top magnetic coupling plate, and a side magnetic coupling plate on an outer circumferential surface thereof.
  • the measuring arm part includes a body in which the arm is coupled toward the front, and a body having a block accommodating groove in which the body coupling block is detachably received is formed, and the front wall is formed on the inner wall surface forming the block accommodating groove.
  • a front magnet coupled to the magnetic coupling plate by magnetic force, an upper surface magnet coupled to the top magnetic coupling plate by magnetic force, and a side magnet coupled to the side magnetic coupling plate by magnetic force.
  • the front magnet, the top magnet and the side magnet may include the front magnet coupling plate, the top magnetic coupling plate, and the side magnetic coupling plate when the body coupling block is accommodated in the block accommodating groove. It is located at a predetermined angle from the center, respectively.
  • the shape measuring device is coupled to the measuring arm by a magnetic force in a form surrounding the measuring arm support, so that when a large external force is applied while maintaining the coupling stability, the external force is transmitted to the measuring arm support easily. Block it.
  • the shape measuring apparatus is a plurality of magnets provided in the measuring arm portion is arranged to be offset by a certain angle with the magnetic coupling plate of the measuring arm support, it continues to apply the magnetic force in the direction in which the coupling state is maintained.
  • the coupling state is stably maintained, and thus the shape can be measured by stably contacting the object under test without moving the stylus.
  • the shape measuring device can prevent the problem that the shake occurs during the measurement due to the wear does not have a protruding structure like the conventional ball-shaped magnet.
  • FIG. 1 is a perspective view showing the configuration of a conventional shape measuring instrument
  • FIG. 2 is an exemplary view showing a coupling state of a moving block and a measuring arm block of a conventional shape measuring instrument
  • FIG. 3 is a perspective view showing the configuration of a shape measuring instrument according to the present invention.
  • FIG. 4 is an exploded perspective view showing a coupling relationship between the measuring arm support and the measuring arm in the shape measuring device according to the present invention
  • FIG. 5 is a perspective view showing a coupling state of the measuring arm support and the measuring arm in the shape measuring device according to the present invention
  • FIG. 6 is an exemplary view showing a coupling relationship between a magnet and a magnetic coupling plate of the measuring arm support and the measuring arm in the shape measuring device according to the present invention.
  • support body 133 vertical shaft coupling portion
  • body coupling block 135a front magnetic coupling plate
  • FIG 3 is a perspective view showing the configuration of the shape measuring apparatus 100 according to the present invention.
  • the stylus 149 coupled to the tracing arm 147 moves along the surface of the measurement target T in the front-rear direction (X-axis) and the vertical direction (Y-axis). ) It moves and rotates at a certain angle (Z-axis) and forms the surface shape of the object to be measured (T) in 3D coordinates.
  • the shape measuring apparatus 100 moves up and down along a base 110 disposed horizontally on the ground, a vertical axis 120 disposed vertically on the base 110, and a vertical axis 120 and measuring arm portion (
  • the measuring arm 130 which supports the 140 to be moved forward and backward and rotates up and down, and the measuring arm which is detachably coupled to the measuring arm support 130 by a magnetic force and measures the shape of the object to be measured T. 140.
  • the base 110 is horizontally disposed on the ground and supports the vertical axis 120.
  • the vertical shaft 120 is provided with a driving unit 121 at the top, so that the measuring arm support 130 is moved up and down.
  • the measuring arm support unit 130 supports the measuring arm 140 to stably measure the shape of the object to be measured T, and detects the positional displacement of the stylus 149 and converts it into three-dimensional coordinate values.
  • FIG. 4 is an exploded perspective view showing a coupling structure of the measuring arm support 130 and the measuring arm 140
  • Figure 5 is a projection perspective view showing a state in which the measuring arm support 130 and the measuring arm 140 is coupled. .
  • the measurement arm support unit 130 is provided at the rear of the support unit body 131, the support unit body 131, the vertical shaft coupling unit 133 coupled to the vertical axis 120, and the front of the support unit body 131. It includes a body coupling block 135 is movably coupled to.
  • the support unit body 131 is formed in a rectangular parallelepiped shape, and accommodates a driving unit (not shown) for driving the body coupling block 135 so as to be movable back and forth, and a pivot driving unit (not shown) for rotating in the Z-axis direction. do.
  • a displacement sensor for detecting the positional displacement of the stylus 149
  • a control unit for analyzing the displacement detected by the displacement sensor (not shown) to match the three-dimensional coordinates (not shown) H) is provided.
  • the front plate surface of the support body 131 has a moving rail 137 for supporting the body coupling block 135 to move back and forth is formed to a predetermined length.
  • the body coupling block 135 penetrates through the moving rail 137 and is coupled to a driving unit (not shown) accommodated in the support body 131.
  • the drive unit (not shown) is moved back and forth along the moving rail 137.
  • the body coupling block 135 is detachably coupled to the measuring arm 140 to support the measuring arm 140 to be moved back and forth and a predetermined angle by the driving unit (not shown) and the pivot driving unit (not shown).
  • the outer circumferential surface of the body coupling block 135 is provided with a front magnetic coupling plate 135a, an upper magnetic coupling plate 135b, and a side magnetic coupling plate 135c.
  • the front magnetic coupling plate 135a is provided with a pair of left and right on the front surface of the body coupling block 135.
  • the front magnetic coupling plate 135a is coupled to the front magnet 143 provided on the body 141 by a magnetic force.
  • the upper magnetic coupling plate 135b is provided at one side of the upper surface of the body coupling block 135.
  • the upper magnetic coupling plate 135b is coupled to the upper magnet 144 provided in the body 141 by a magnetic force.
  • the side magnetic coupling plate 135c is provided at the rear side of the body coupling block 135.
  • the side magnetic coupling plate 135c is coupled to the side magnet 145 provided in the body 141 by a magnetic force.
  • the front means the direction in which the stylus 149 faces
  • the rear means the direction opposite to the stylus 149.
  • the front magnetic coupling plate 135a, the top magnetic coupling plate 135b, and the side magnetic coupling plate 135c are embedded in the outer circumferential surface of the body coupling block 135, and formed of a metal plate material so that magnets and magnetic forces can be applied. do.
  • the measuring arm 140 is detachably coupled to the measuring arm support 130, and the stylus 149 contacts the surface of the object T to be detected and detects the shape of the object T to be measured.
  • the measuring arm 140 according to the present invention is detachably coupled to the measuring arm support 130 by the magnetic force of the magnet.
  • the magnetic force of the magnet is to maintain the coupling state for the force of the reference range required when the stylus 149 detects the shape of the object to be measured (T), for example, the force of 4 ⁇ 12g range, For a force exceeding, for example, 13g or more force is released from the coupled state so that the measuring arm 140 is separated from the measuring arm support 130.
  • the measurement arm 140 is formed in the body 141 coupled to the body coupling block 135, and the body 141 is recessed in the body 141 when the body 141 is coupled to the body coupling block 135 (body coupling block ( And a block accommodating groove 142 accommodating 135, and a front magnet 143, an upper magnet 144, and a side magnet 145 formed on the inner side of the block accommodating groove 142.
  • the front of the measuring arm 140 is provided with a stylus 149, and an arm 147 supporting the stylus 149, the rear of the measuring arm 140, the weight during the rotational driving by the pivot in the Z-axis direction A centering weight 148 is provided.
  • the body 141 is formed in a rectangular parallelepiped shape, and a block accommodating groove 142 corresponding to the shape of the body coupling block 135 is recessed on an inner side surface in contact with the body coupling block 135. As a result, the body 141 is coupled to the body coupling block 135 in a form of surrounding the body coupling block 135.
  • the block receiving groove 142 is formed so that the lower portion, the body 141 is coupled in a form seated on the upper surface of the body coupling block 135 to surround the body coupling block 135. Therefore, the combined state of the measuring arm of the present invention is structurally remarkably compared to that of the mobile block 13 of the conventional shape measuring apparatus 100 illustrated in FIG. 1, which is simply loaded on the measuring arm block 15. It can be stable.
  • FIG. 6 (a), (b), (c) is the front magnet 143, the top magnet 144 and the side magnet 145 of the present invention, respectively, the front magnetic coupling plate 135a, the top magnetic coupling plate ( 135b) and a schematic diagram schematically illustrating a state in which the side magnetic coupling plate 135c is coupled.
  • the magnets 143, 144, and 145 of the present invention are offset by a certain angle to the magnetic coupling plates 135a, 135b, and 135c when the body 141 is coupled to the body coupling block 135 at a predetermined position. Is placed. That is, as shown in (a) of FIG. 6, the front magnet 143 is disposed at an angle of 45 degrees toward the 1 o'clock direction from the center of the front magnetic coupling plate 135a, and the upper magnet 144 of FIG.
  • the side magnet 145 is a side magnetic coupling plate (as shown in FIG. 6 (c)). It is arrange
  • the magnets 143, 144, and 145 are arranged at an angle to the magnet coupling plates 135a, 135b, and 135c at a predetermined angle so that the magnetic force continuously attracts each other between the magnets 143, 144, 145 and the magnet coupling plates 135a, 135b, and 135c in a coupled state. This action is to maintain the coupled state of the body 141 and the body coupling block 135 even if a force within the reference range is applied.
  • the magnets 143, 144, 145 and the magnetic coupling plates 135a, 135b, and 135c are disposed at positions corresponding to the exact centers of the magnets, the magnets 143, 144, and 145 may be easily removed only when the external force is applied.
  • the regions excluding the magnets 143, 144, and 145 and the magnetic coupling plates 135a, 135b, and 135c may be spaced apart from each other without being in close contact with each other.
  • the front magnet 143 and the front magnetic coupling plate 135a are shifted by a predetermined angle, even if the position is aligned, the front magnet 143 is the center of the front magnetic coupling plate 135a. Magnetic force is applied to move to.
  • the front magnet 143 has a magnetic force in a direction in which the body 141 is coupled toward the front of the body coupling block 135 (arrow a direction) and in a direction in which the body 141 is coupled downward (arrow b direction). Will be authorized.
  • the side magnet 145 has a direction in which the body 141 is coupled forward (a direction) and a direction in which the support body 131 is coupled (arrow c direction), as shown in FIG. To apply magnetic force.
  • the side magnet 145 is applied to the magnetic force in the direction (b direction) is coupled to the body (141) is coupled to the lower portion of the body coupling block 135 and the support body 131 (c direction).
  • the body 141 continues to engage with the body coupling block 135 and the body 141 in the lower direction (b direction) and the support body (131) direction (c direction) and the magnetic force in the direction toward the front. a)) is applied to maintain the body 141 is in close contact with the body coupling block 135.
  • the block accommodating groove 142 has a stepped state in which the front and lower portions of the body 141 are opened, and thus the block accommodating groove 142 is formed when a force is applied to the front by a magnetic force or a force is applied downward. Step is in contact with the body coupling block 135 is further constrained position.
  • the coupling state of the body 141 and the body coupling block 135 can be maintained continuously and stably, even if an external force within the reference range is applied, the measuring arm 140 does not shake or vibrate left and right, front and rear, back and forth. .
  • the stylus 149 stably measures the appearance of the object under test, a more reliable measurement result can be obtained.
  • the operator couples the measuring arm 140 to the body coupling block 135 of the measuring arm support 130.
  • the body 141 approaches the body coupling block 135 so that the stylus 149 faces the front, and the body 141 is coupled to the block receiving groove 142 to accommodate the body 141.
  • the body 141 is the body coupling block 135 by the magnetic force of the front magnet 143, the top magnet 144 and the side magnet 145 It is coupled to and in position.
  • the front magnet 143, the top magnet 144, and the side magnet 145 are formed of the front magnetic coupling plate 135a, the top magnetic coupling plate 135b, and the side magnetic coupling plate 135c, respectively. It is arrange
  • the front magnet 143, the top magnet 144, and the side magnet 145 are formed of the body 141 and the body coupling block ( The magnetic force is continuously applied in the direction (a direction) coupled to the front of the 135, the direction (b direction) to be coupled downward, and the direction (c direction) to be coupled toward the support body 131.
  • the body 141 and the body coupling block 135 Since the attraction force to each other continues to act between the body 141 and the body coupling block 135, the body 141 and the body coupling block 135 is maintained firmly coupled. Accordingly, when an external force below the reference range is applied, the body 141 is not shaken or moved and thus maintains its position. As shown in FIG. 3, the stylus 149 can accurately measure the external shape of the object T to be measured. have.
  • the measuring arm 140 moves forward and backward by the measuring arm support 130, or pivots and contacts the external shape of the object T to be measured.
  • a displacement sensor (not shown) provided in the measuring arm support unit 130 detects a position displacement value of the stylus 149, and a controller (not shown) generates a three-dimensional coordinate value based on the position displacement value, The three-dimensional shape of the measurement target T can be measured.
  • the body 141 is immediately separated from the body coupling block 135 and the external force is transmitted to the measuring arm support 130. Block it from becoming As a result, the measurement arm support 130 may be prevented from being damaged by an external force.
  • the shape measuring device is coupled to the measuring arm by a magnetic force in a form surrounding the measuring arm support, so that when a large external force is applied while maintaining the coupling stability, the external force is easily measured. Block delivery to the branch.
  • the shape measuring apparatus is a plurality of magnets provided in the measuring arm portion is arranged to be offset by a certain angle with the magnetic coupling plate of the measuring arm support, it continues to apply the magnetic force in the direction in which the coupling state is maintained.
  • the coupling state is stably maintained, and thus the shape can be measured by stably contacting the object under test without moving the stylus.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

La présente invention concerne un appareil de mesure de forme qui comprend : une unité de bras de mesure comprenant un stylet et un bras, le stylet entrant en contact avec un sujet à mesurer, et le bras portant le stylet de telle sorte que le stylet entre en contact avec le sujet à mesurer ; et une unité de support de bras de mesure qui porte l'unité de bras de mesure de telle sorte que l'unité de bras de mesure se déplace le long de la surface extérieure du sujet à mesurer, l'unité de support de bras de mesure comprenant un bloc de couplage de corps qui a une plaque de couplage d'aimant avant, une plaque de couplage d'aimant supérieure, et une plaque de couplage d'aimant latérale sur la surface périphérique externe de cette dernière ; l'unité de bras de mesure comprend un corps sur lequel le bras est couplé de façon à être dirigé vers l'avant, le corps ayant un évidement de réception de bloc formé de manière concave à l'intérieur de ce dernier dans lequel le bloc de couplage de corps est reçu de manière amovible ; et des aimants avant, supérieur et latéral sont disposés sur les parois internes qui forment l'évidement de réception de bloc, et sont couplés aux plaques de couplage d'aimant avant, supérieure et latérale par des forces magnétiques, respectivement.
PCT/KR2015/013127 2015-05-28 2015-12-03 Appareil de mesure de forme WO2016190502A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150074603A KR101546835B1 (ko) 2015-05-28 2015-05-28 형상측정기
KR10-2015-0074603 2015-05-28

Publications (1)

Publication Number Publication Date
WO2016190502A1 true WO2016190502A1 (fr) 2016-12-01

Family

ID=54061822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/013127 WO2016190502A1 (fr) 2015-05-28 2015-12-03 Appareil de mesure de forme

Country Status (2)

Country Link
KR (1) KR101546835B1 (fr)
WO (1) WO2016190502A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2595595A (en) * 2017-06-21 2021-12-01 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101888466B1 (ko) 2018-02-12 2018-08-16 황재은 형상측정기
KR102282869B1 (ko) * 2019-11-26 2021-07-28 한국해양과학기술원 모형빙의 굽힘 강도 측정 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10282125A (ja) * 1997-04-04 1998-10-23 Nikon Corp カンチレバー及びそれを用いた走査型プローブ顕微鏡並びに試料観察方法
JPH1123252A (ja) * 1997-06-30 1999-01-29 Daito M Ii Kk 三次元座標測定機
JP2004125699A (ja) * 2002-10-04 2004-04-22 Tokyo Seimitsu Co Ltd 表面形状測定装置
US20060123895A1 (en) * 2004-12-10 2006-06-15 Electronics And Telecommunications Research Institute Drive head and personal atomic force microscope having the same
KR101217217B1 (ko) * 2011-09-29 2012-12-31 (주)에이스텍 접촉식 표면형상측정기의 측정력 자동 보정장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10282125A (ja) * 1997-04-04 1998-10-23 Nikon Corp カンチレバー及びそれを用いた走査型プローブ顕微鏡並びに試料観察方法
JPH1123252A (ja) * 1997-06-30 1999-01-29 Daito M Ii Kk 三次元座標測定機
JP2004125699A (ja) * 2002-10-04 2004-04-22 Tokyo Seimitsu Co Ltd 表面形状測定装置
US20060123895A1 (en) * 2004-12-10 2006-06-15 Electronics And Telecommunications Research Institute Drive head and personal atomic force microscope having the same
KR101217217B1 (ko) * 2011-09-29 2012-12-31 (주)에이스텍 접촉식 표면형상측정기의 측정력 자동 보정장치

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2595595A (en) * 2017-06-21 2021-12-01 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system
GB2601068A (en) * 2017-06-21 2022-05-18 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system
GB2595595B (en) * 2017-06-21 2022-06-08 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system
US11435174B2 (en) 2017-06-21 2022-09-06 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system
GB2601068B (en) * 2017-06-21 2022-09-07 Carl Mahr Holding Gmbh Measurement arm receptacle device of a measurement system

Also Published As

Publication number Publication date
KR101546835B1 (ko) 2015-08-24

Similar Documents

Publication Publication Date Title
WO2016190502A1 (fr) Appareil de mesure de forme
EP0566719B1 (fr) Capteur tactile
US5505005A (en) Touch probe
US4401996A (en) Apparatus for recording-pen interchange
EP2434253B1 (fr) Tête de mesure de coordonnées et machine de mesure de coordonnées
US20210278338A1 (en) Flipper apparatus and object inspection method using same
CN109931898B (zh) 测量系统和测量方法
WO2015059508A1 (fr) Procédé et appareil d'essai de téléphones cellulaires
TW201337288A (zh) 具有測試盤之測試系統
CN101339083B (zh) 接触式测量装置
US4573129A (en) Automatic pen-sensor
CN106895778B (zh) 具有一体形成的接口以及保护单元的光学探针
WO2019182344A1 (fr) Dispositif de manette de jeu
WO2019216659A1 (fr) Dispositif de correction d'angle
WO2020241914A1 (fr) Maître et esclave d'un système de changement d'outil robotisé
WO2020022671A1 (fr) Appareil de mesure de forme
WO2018080112A1 (fr) Dispositif d'entrée et dispositif d'affichage le comprenant
WO2010053229A1 (fr) Procédé et système de mesure d’erreur de mouvement dans un étage linéaire de précision
WO2017086625A1 (fr) Appareil de mesure de forme
WO2019156315A1 (fr) Dispositif de mesure de forme
CN214407343U (zh) 检测设备
EP3736527A1 (fr) Dispositif de mesure de forme de surface
CN207007104U (zh) 一种3d投影扫描测试设备
CN108458694A (zh) 一种基于光学影像检测的防撞装置及影像检测设备
WO2021080143A1 (fr) Capteur de gouvernail pour navire utilisant un aimant plan

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15893454

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 26/04/2018)

122 Ep: pct application non-entry in european phase

Ref document number: 15893454

Country of ref document: EP

Kind code of ref document: A1